本文整理汇总了Scala中org.apache.commons.lang3.ClassUtils类的典型用法代码示例。如果您正苦于以下问题：Scala ClassUtils类的具体用法？Scala ClassUtils怎么用？Scala ClassUtils使用的例子？那么, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了ClassUtils类的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Scala代码示例。
示例1: ClassOps
//设置package包名称以及导入依赖的类
package com.github.stonexx.scala.util
import java.lang.annotation.Annotation
import java.net.URI
import java.util.{Date, Locale}
import org.apache.commons.lang3.ClassUtils
import scala.reflect.ClassTag
final class ClassOps[T](val self: Class[T]) extends AnyVal {
import cls._
def isSimpleType: Boolean = ClassUtils.isPrimitiveOrWrapper(self) ||
classOf[CharSequence].isAssignableFrom(self) ||
classOf[Number].isAssignableFrom(self) ||
classOf[Date].isAssignableFrom(self) ||
classOf[URI] == self ||
classOf[Locale] == self ||
classOf[Class[_]] == self ||
self.isEnum
def findAnnotation[A <: Annotation : ClassTag](annotationClass: Class[A]): Option[A] =
Option(self getAnnotation annotationClass).orElse {
self.getInterfaces.find(_ isAnnotationPresent annotationClass).flatMap(_.findAnnotation[A])
}.orElse {
if (classOf[Annotation] isAssignableFrom self) None
else self.getAnnotations.map(_.annotationType).find(_ isAnnotationPresent annotationClass).flatMap(_.findAnnotation[A])
}.orElse {
Option(self.getSuperclass).filter(_ != classOf[Object]).flatMap(_.findAnnotation[A])
}
@inline
def findAnnotation[A <: Annotation](implicit atag: ClassTag[A]): Option[A] =
findAnnotation(atag.runtimeClass.asInstanceOf[Class[A]])
}
trait ToClassOps {
implicit def toClassOps[T](x: Class[T]): ClassOps[T] = new ClassOps(x)
} 示例2: TupleRecordMarshaller
//设置package包名称以及导入依赖的类
package com.mnubo.flink.streaming.connectors
import org.apache.commons.lang3.ClassUtils
import org.apache.flink.api.common.ExecutionConfig
import org.apache.flink.api.java.typeutils.TupleTypeInfoBase
import org.apache.flink.api.java.typeutils.runtime.TupleSerializerBase
@SerialVersionUID(1L)
class TupleRecordMarshaller[T](typeInfo: TupleTypeInfoBase[T]) extends RecordMarshaller[T] {
private val serializer = typeInfo
.createSerializer(new ExecutionConfig)
.asInstanceOf[TupleSerializerBase[T]]
override def typeInformation =
typeInfo
override def configureFields(types: Seq[MarshallerFieldDescriptor]) = {
require(
typeInfo.getArity == types.length,
s"The number of fields selected in the tuple of type ${typeInfo.getTypeClass.getName} (${typeInfo.getArity}) does not match the number of fields returned by the Dataset (${types.size})"
)
(0 until typeInfo.getArity)
.foreach { i =>
val recordFieldClass = typeInfo.getTypeAt(i).getTypeClass
require(
ClassUtils.isAssignable(
recordFieldClass,
types(i).fieldClass
),
s"Tuple field $i of type ${recordFieldClass.getName} is not assignable from DataSet field $i of type ${types(i).fieldClass.getName}"
)
}
}
override def createOrReuseInstance(fields: Seq[AnyRef], reuse: T): T =
serializer.createOrReuseInstance(fields.toArray, reuse)
}